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57results about How to "Reduce the difficulty of upgrading" patented technology
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Cloud deck firmware updating method and device
ActiveCN105183515AGuaranteed upgrade successReduce upgrade costsProgram loading/initiatingData transmissionBreaking point
The present invention discloses a cloud deck firmware updating method and device. The method comprises the steps that a PC end operates a cloud deck firmware updating program and transmits an updating file to cloud deck firmware, so as to update the cloud deck firmware; in a cloud deck firmware updating process, the PC end detects an operating state of the cloud deck firmware updating program; when the PC end detects that operation of the cloud deck firmware updating program is interrupted, a page of an effective address of effective data last written into the interrupting moment of the cloud deck firmware is acquired; and the PC end acquires updating film data not transmitted before the interruption according to the page of the effective address and transmits the data not transmitted before the interruption to the cloud deck firmware. In the program updating process of the cloud deck firmware, repeated assembly and disassembly of the cloud deck firmware are avoided, the probability of damaging the cloud deck firmware is lowered, the updating file data can be re-transmitted after power failures and continue to transmit after break points in the transmission process, and cloud deck system paralysis caused by updating failures is avoided.
Owner:SICHUAN AEE AVIATION TECH CO LTD
Multi-sensor multi-target cooperative detection information fusion method and system
ActiveCN111860589AHuge advantages of coordinated search and rescueLow costCharacter and pattern recognitionRadio wave reradiation/reflectionAlgorithmOriginal data
The invention discloses a multi-sensor multi-target cooperative detection information fusion method.acquiring original data of radar measurement equipment; preprocessing the original data to obtain processed data; performing sensor information registration according to a time registration algorithm and a space registration algorithm, so that all sensors obtain observation information at the same moment and at the same time and space; trace point-track association is carried out according to a target association algorithm and the maneuvering target model to obtain a target track; track-track association is carried out according to a K-means algorithm to obtain an accurate track; and performing fusion processing on the processing data according to a fusion algorithm to obtain an accurate track and real-time motion parameters of the tracking target. The multi-target cooperative detection information fusion scheme provided by the invention has the advantages of flexible configuration, strong universality and good expandability; and real-time data processing is carried out through the airborne data processing unit, so that the task load of a remote control center is reduced, and the timeliness and safety of the scheme are improved.
Owner:SUN YAT SEN UNIV
Method for improving reliability of distributed system based on DDS technology
InactiveCN107040403AFunction availableAvoid interferenceData switching networksInformation transmissionDependability
The invention discloses a method for improving reliability of a distributed system based on a DDS technology. The method comprises the following steps: (1) determining a target application that a distributed system needs to perform redundancy processing, and decoupling the target application and an original information transmission relationship by using a publish-subscribe mechanism; (2) achieving independent running and redundant hot standby switching of the target applications by adopting a QoS strategy of the DDS technology, and ensuring that the process specifically includes the following steps: when multiple running instances that are redundant to one another of one target application are simultaneously run, only enabling the running instances with a higher priority to obtain the ownership of a subject; and when the running instances with the higher priority have failure, enabling the running instances with a secondary priority to obtain the ownership of the subject; and (3) after the running instances with the higher priority of the target application are recovered from the failure, enabling the running instances with the higher priority to obtain the ownership of the subject. The method disclosed by the invention has a lower resource overhead for providing a redundant hot standby switching function, is short in switching time, and is applicable to the distributed system of real-time tasks.
Owner:CHINA SHIP DEV & DESIGN CENT
Control system and control method for intelligent warehousing loading-unloading equipment
ActiveCN107932528AImprove anti-interference abilityImprove reliabilityProgramme-controlled manipulatorRemote controlControl system
The invention discloses a control system and a control method which are used for intelligent warehousing loading-unloading equipment. A master control module is connected with a chassis motor drivingmodule, a mechanical arm control module and a lifting taking and feeding module through a CAN bus wire, so that the interference immunity of the whole control system is improved and the reliability ofthe control system is improved; and by adopting a trace following module and an ultrasonic obstacle avoidance module, the intelligent degree of the intelligent warehousing loading-unloading equipmentis improved and can move according to a set path pine, and goods are prevented from being collided in the carrying process. In addition, the control system has communication modes like wireless remote control and Bluetooth, so that the requirements on management, real-time inspection, remote control and the like are met. Traditional warehousing can be upgraded and transformed conveniently, and existing equipment in the traditional warehousing is utilized as much as possible, so that the wasting of resources is reduced and the difficulties in transformation and upgrading are lowered.
Owner:广东鑫港湾供应链管理有限公司
A server system and a starting method thereof
ActiveCN109828774ATroubleshoot technical issues that won't bootReduce upgrade timeResource allocationSoftware engineeringBaseboardBIOS
The invention discloses a server system and a starting method thereof. The server system comprises: a server, The substrate management controller storage unit and the substrate management controller operation memory. The substrate management controller storage unit stores baseboard management controller firmware and basic input / output system firmware, and the baseboard management controller operation memory provides a memory space for running the baseboard management controller firmware and / or the basic input / output system firmware. The embodiment of the invention provides a server system. Basic input / output system firmware is stored in a BMC Flash; Compared with the prior art that the server comprises the BMC Flash and the BIOS Flash, only one BMC Flash is reserved in the server system, the cost of one Flash is saved, and the number of times of system upgrading is reduced. Meanwhile, the BIOS firmware is stored in the BMC Flash, so that the BIOS firmware can be better prevented from being tampered, and the technical problem that the server cannot be started when a program in the BIOS is tampered when the BIOS firmware is stored in the BIOS Flash is solved.
Owner:合芯科技有限公司
Single-rate meter time-sharing charging system and method
ActiveCN102760352AReduce the difficulty of upgradingLow costTransmission systemsSpecial tariff metersTime-sharingComputer science
The invention discloses a single-rate meter time-sharing charging system and method. The system comprises a server, a coordinator, a wireless module and a single-rate meter connected with the wireless module, wherein the coordinator is used for receiving a configuration command of the wireless module, which is sent by the server, sending the configuration command to the wireless module and transferring data of the single-rate meter, which is returned by the wireless module, to the server; the wireless module is used for periodic data reading of the single-rate meter according to the received configuration command and sending the read data to the coordinator; and the server is used for collecting data of the single-rate meter, which is returned by the coordinator, and performing time-sharing charging according to a time bucket set in advance. The single-rate meter time-sharing charging system and method are suitable for upgrading and modifying single-rate ammeters or other meters, and ensure that time-sharing charging can be conducted without replacing the meters.
Owner:深圳市物联微电子有限公司
Interface rendering method and device for business system and server
ActiveCN110007916ARealize unified managementImplement global configurationSoftware engineeringWebsite content managementApplication softwareUniform resource locator
The embodiment of the invention discloses an interface rendering method and device for a service system and a server, and the method comprises the steps: determining a uniform resource locator (URL) corresponding to an application program interface (API) corresponding to a target service system when the target service system is started; according to the configuration information of the API, obtaining a target interface template of the target business system from a template management server, the template server being used for managing interface templates of multiple business systems, and the target interface template comprising a target interface layout template and a target interface element template; and rendering an interface of the target service system according to the target interface template in response to an operation that a user triggers a service through the URL.
Owner:ADVANCED NEW TECH CO LTD
Terminal device, system file updating method and system thereof, and computer storage medium
InactiveCN108924207AReduce the difficulty of upgradingLow costData switching networksSoftware deploymentTerminal equipmentComputer terminal
The embodiment of the invention discloses a terminal device, a system file updating method and system thereof, and a computer storage medium. The system file updating method comprises the following steps: executing a regular service polling service of the terminal device; executing an interrupt triggering service when the polling service is interrupted, wherein the interrupt triggering service comprises judging whether the terminal device receives an upgrade command sent by a server side or not; and executing the upgrade service when the interrupt triggering service judges that the terminal device receives the upgrade command sent by the server side, or otherwise recovering the regular service polling service of the terminal device, wherein the upgrade service comprises updating the systemfile received from the server side to a target location of the terminal device. The embodiment of the invention can perform automatic networking upgrade of the terminal device; therefore, the upgradedifficulty and the upgrade cost of the terminal device are reduced.
Owner:高新兴物联科技股份有限公司
Ticket system based on alliance chain
PendingCN111090697AEnsure safetyGuarantee authenticityData processing applicationsDatabase management systemsTicketUser privacy
The embodiment of the invention discloses a ticket system based on an alliance chain. The system comprises an alliance chain network formed by a plurality of alliance nodes, and ticket intelligent contract architectures disposed in the alliance nodes, and each ticket intelligent contract architecture comprises a basic data layer, a data access layer, a service contract layer, and an application layer. The invention discloses a ticket system realized by utilizing an alliance chain technology. The data cannot be tampered, so that the information safety is ensured; the credibility of the ticket buying process is ensured due to the characteristic that the execution of the intelligent contract cannot be interrupted; according to the method, the privacy information safety of the user and the authenticity of the ticket source information are ensured, the problems of ticket buying dispute and the like are avoided, data storage is performed in a database table form, the development convenienceand understandability are greatly improved, the intelligent contract is modularly developed according to service requirements, and the upgrading and reconstruction difficulty is reduced.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)
A method and system for software update
ActiveCN109240726AReduce the amount of update data transferImprove update efficiencyVersion controlUser identity/authority verificationSoftware updateClient-side
A method and system for updating software are provided. The server-side versions is compared with the client-side versions, the updating policy judging unit judges which mode is adopted for updating,If there is an update for large version A, the latest version of the XML compressed file is selected for directly updating, If only one or more of feature update B, bug fixes C or Interface Update D exist, Then the data traversal unit compares and counts the eigenvalues of the files to obtain the XML compressed files which need to be updated, and through downloading and updating, the invention canselect different methods for updating according to different situations, the updating flexibility is high, the updating efficiency is high, and unnecessary data downloading can be effectively avoided.
Owner:湖北华联博远科技有限公司
Cross-service control point call forwarding method
InactiveCN1842170ADoes not lead to linked upgradesReduce design and development costsSpecial service for subscribersRadio/inductive link selection arrangementsCall forwardingKnowledge management
The invention relates to a cross business control point calling transfer method which mainly comprises: the business control point receives the calling trigger message of the business exchange point; the business control point transfers the calling trigger message to other business control points; other business control point receives the calling trigger message and directly dose business exchange points communication to process the calling.
Owner:HUAWEI TECH CO LTD
A method for acquiring a run-time software architecture of a client application
ActiveCN109254764AReduce development difficultyReduce the difficulty of upgradingCode compilationCreation/generation of source codeCOLA (software architecture)Software architecture
The invention provides a method for acquiring a run-time software architecture of a client application, comprising the following steps: step S1, preprocessing all classes in a source program code of the client application: when an active object is found to be created, recording the object currently created and the position of the created object; Step S2: converting the object: adopting the proxy mode, synchronously constructing a proxy object equivalent to the source object, and accessing the target object through the proxy object; Step S3: acquiring runtime information: creating a proxy classfor all runtime objects through a proxy mode; the interceptor intercepting all classes used at runtime, then recording the function and data structure of the calling path to determine the relationship between objects, and recording the runtime information. The invention obtains the runtime software architecture by reliable means, provides a way for realizing the monitoring and adjustment of the system by the way of the read-write architecture, and provides a basis for the online upgrading and evolution of the system.
Owner:FUZHOU UNIV
Method, device, equipment and system for processing voice data and medium
The embodiment of the invention discloses a method, device, equipment and system for processing voice data and a medium and aims at enhancing the extendibility and reducing the upgrading difficulty while crosstalk voice are removed. The method comprises the steps that the correlation of each path of voice data and other paths of voice data and the signal-to-noise ratio of each path of voice data are determined in multiple paths of voice data obtained after time domain aligning treatment is carried out; the type of each path of voice data is determined according to the correlation of each pathof voice data and other paths of voice data and / or the signal-to-noise ratio of each path of voice data, wherein the type of the voice data comprises main voice and crosstalk voice; the voice data ofthe main voice type is kept, and the voice data of the crosstalk voice type is removed.
Owner:ALIBABA GRP HLDG LTD
Intersection bidirectional congestion intelligent induction control system and method
ActiveCN112735154AFacilitate smart sensingEasy to controlControlling traffic signalsControl systemSimulation
The invention discloses an intersection bidirectional congestion intelligent induction control system and method. The system comprises a vehicle queuing length geomagnetic detector, an intersection central congestion overflow geomagnetic detector, an LED warning lamp, a signal lamp, a wireless geomagnetic node information receiving and controlling device and an intelligent annunciator. In intersection bidirectional congestion intelligent induction control system and method, an intelligent control mode which is simple in logic, intelligent in process and easy to implement can be provided for the bidirectional congestion-prone intersection mainly according to queuing length and overflow state data monitored in real time under the control rule of the intelligent induction and control system; risks of bidirectional congestion overflow and vehicle intertwining at the intersection are reduced, the vehicle passing efficiency in different vehicle flow directions is improved, and the intelligence of intersection signal control is improved.
Owner:TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
Cross-service-provider information sending method and device and electronic equipment
PendingCN114726914AEasy maintenanceEasy to upgradeProgram loading/initiatingTransmissionThird partyEngineering
The invention discloses a cross-service-provider information sending method and device and electronic equipment, the method is applied to a message sending platform, the message sending platform comprises a plurality of third-party service SDKs, and the method comprises the following steps: receiving service data sent by a service system, matching a corresponding target message template from pre-stored message templates according to a service action in the service data; extracting filling information from the business data based on the vacant variable in the target message template, and filling the vacant variable of the target message template with the filling information; and routing the filled target message template to a corresponding third-party service SDK according to a preset sending object in the target message template so as to generate a target message based on the target message template through the corresponding third-party service SDK, and sending the target message to the preset sending object. According to the technical scheme provided by the invention, the maintenance cost of the service system is reduced on the premise that the function of sending the message to various third-party services by the service system is reserved.
Owner:北京自如信息科技有限公司
Data analysis system
PendingCN113032647AReduce the difficulty and cycle of upgradingFlexible loadingOther databases browsing/visualisationOther databases clustering/classificationAnalysis dataSoftware technology
The invention relates to the technical field of software, particularly provides a data analysis system, and aims to solve the technical problem of how to reduce the system upgrading difficulty and cycle of the data analysis system. In order to achieve the purpose, the data analysis system according to the embodiment of the invention comprises a data model library and a model management and control module, and a data analysis model stored in the data model library can perform data analysis on to-be-analyzed data in response to an operation instruction; the model management and control module can generate a new data analysis model by running a program script in a model adding instruction and store the new data analysis model in a data model library. Based on the functional topological structure, the embodiment of the invention can support a user to flexibly add and delete the data analysis model, and obviously reduces the upgrading difficulty and period of the system. In addition, when the data analysis model is added or deleted, normal operation of other data analysis models cannot be affected, and therefore system upgrading work can be completed under the condition that normal use of the data analysis system by a user is not affected.
Owner:北京云从科技有限公司
Data updating method for chip rewriting device, electronic device and storage medium
InactiveCN107506205AFlexible data upgrade methodsThe upgrade method is flexible and changeableProgram loading/initiatingSoftware deploymentElectricityComputer hardware
The invention provides a data updating method for a chip rewriting device. The data updating method comprises the following steps of initializing power-on, detecting upper computer connection, analyzing data, determining states, determining update, decoding an updating file and updating data. The invention further relates to an electronic device and readable storage medium to execute data update for the chip rewriting device. Programs and data of the chip rewriting device are separated and separately updated by programming interfaces. The data updating method is flexible and variable and updating cost can be reduced and updating difficulty can be lowered; and the updating method is easy to operate, so the chip rewriting device can be flexibly updated.
Owner:HANGZHOU CHIPJET TECH
Service gateway service system, service quality consultation and service resource releasing method
ActiveCN100531128CReduce the difficulty of upgradingQuick implementationStore-and-forward switching systemsQuality of serviceService gateway
Owner:HUAWEI TECH CO LTD
Method and system for realizing consensus based on smart contract
InactiveCN113360572AReduce the difficulty of upgradingReduce wasteFinanceDatabase distribution/replicationConsensusFinancial transaction
The invention relates to the technical field of block chains, in particular to a method and a system for realizing consensus based on a smart contract. The method comprises the steps of compiling a smart contract, setting and executing a corresponding consensus algorithm in a node program, defining a block header information interface chained on the smart contract, carrying out transaction packaging to generate a block, replacing a consensus, issuing a new smart contract and the like. According to the method designed by the invention, the smart contract is independently compiled at each node of a block chain, and consensus type data and a corresponding consensus algorithm are set, so that the consensus can be conveniently realized at the block nodes according to triggering conditions of the smart contract; the flexible replacement of the consensus can be realized at each node, the upgrading difficulty of the block is reduced, waste of computing resources is reduced, and possible inadaptability after consensus replacement is reduced; the system can safely and stably realize the consensus at the node, also provides a channel for replacing the consensus algorithm, can improve the operation speed, improves the intelligence of the contract, and reduces the execution cost.
Owner:南京创江湖企业管理有限公司
Modular wireless charging device and device with wireless charging expansion function
InactiveCN112311059AImprove cooling effectGuaranteed service lifeBatteries circuit arrangementsElectric powerInductive chargingEngineering
The invention is applicable to the technical field of wireless charging, and discloses a modular wireless charging device and a device with a wireless charging expansion function. The modular wirelesscharging device comprises a wireless charging control module, a wireless charging coil module and a connecting wire, wherein the wireless charging control module comprises a wireless charging function circuit module and a first interface electrically connected with the wireless charging function circuit module; the wireless charging coil module comprises a wireless charging coil and a second interface; and a third interface and a fourth interface are respectively arranged at two ends of the connecting line, the third interface is detachably connected with the first interface, and the fourth interface is detachably connected with the second interface. According to the modular wireless charging device provided by the invention, the wireless charging coil module can independently exist in any product form, and the wireless charging function circuit module can flexibly realize the integration of a wireless charging function with other functions and products; and when a receiving end and atransmitting end of wireless charging are incompatible, only the wireless charging control module needs to be upgraded or replaced.
Owner:深圳英派森知识产权投资合伙企业(有限合伙)
Air conditioner facilitating OTA upgrading and OTA upgrading method thereof
PendingCN114076386AImprove maintenance qualityReduce maintenance costsMechanical apparatusSoftware deploymentControl engineeringSoftware upgrade
The invention relates to the technical field of air conditioners, and discloses an air conditioner facilitating OTA upgrading and an OTA upgrading method thereof. The air conditioner comprises an intelligent core board, an indoor unit control board and an outdoor unit control board, and the intelligent core board comprises a main control module and a network module; the main control module integrates all control strategies of the air conditioner and is used for processing all the control strategies and sending processing results to the indoor unit control panel and the outdoor unit control panel, wherein the control strategies comprise OTA upgrade control strategies; when the main control module processes the OTA upgrade control strategies, the main control module is specifically used for performing communication connection with a cloud end through the network module to obtain a software upgrade package sent by the cloud end, and performing software upgrading on the main control module according to the software upgrading package. According to the air conditioner facilitating OTA upgrading and the upgrading method thereof, the upgrading process of the air conditioner can be simplified.
Owner:HISENSE (SHANDONG) AIR CONDITIONING CO LTD
Automatic deployment method and device for Hdp big data platform, equipment and medium
PendingCN113127016ARealize unified deploymentReduce difficultyRelational databasesData switching networksData platformConfigfs
The invention relates to the technical field of big data, and discloses an automatic deployment method and device for an Hdp big data platform, equipment and a medium. The method comprises the steps of: acquiring and executing a script main program of an automatic deployment script; based on execution of the script main program, calling an environment configuration script to obtain a server configuration completion result according to the environment configuration file; calling a basic software package installation script of the automatic deployment script according to the server configuration completion result so as to obtain a basic software installation completion result according to the environment configuration file, the basic software package installation configuration file and the to-be-installed basic software package set; and calling an Hdp cluster installation and starting script according to a basic software installation completion result so as to perform Hdp cluster installation and service starting according to the environment configuration file, the Hdp cluster installation configuration file and the Hdp cluster software package set to obtain a target Hdp big data platform. The deployment efficiency and success rate are improved, and the difficulty of later maintenance is reduced.
Owner:PINGAN INT SMART CITY TECH CO LTD
A server system and its startup method
ActiveCN109828774BTroubleshoot technical issues that won't bootReduce upgrade timeResource allocationSoftware engineeringEngineeringTerm memory
Owner:合芯科技有限公司
Cross-service control point call forwarding method
InactiveCN100531410CDoes not lead to linked upgradesReduce design and development costsSpecial service for subscribersRadio/inductive link selection arrangementsCall forwardingKnowledge management
Owner:HUAWEI TECH CO LTD
A method and system for multi-dimensional power consumption data collection and scheduling
ActiveCN112379994BEasy to expand freelyReduce the difficulty of upgradingProgram initiation/switchingParallel computingData acquisition
The invention discloses a method and system for collecting and dispatching multi-dimensional electricity consumption data. The method includes: dividing the data collection frame into three dimensions of scheduling, channel and task, and encapsulating each dimension into an abstract class; obtaining data collection tasks , generate the execution task queue, and call the corresponding channel dimension subclass to execute the execution task queue; monitor the execution status of the execution task queue; when the execution efficiency of the executed task is less than the preset threshold, according to the static priority of the data collection task , the average processing speed of tasks of the same type, the execution efficiency of executed tasks, the expected delay of unexecuted tasks, and the number of failed retries to calculate the dynamic priority of tasks; adjust the priority of tasks in the execution task queue according to the size of the dynamic priority. Data acquisition tasks are executed with dynamic priority. The invention can dynamically adjust the priority when the task execution efficiency decreases, so as to ensure the task execution efficiency.
Owner:WUHAN ZHONGYUAN ELECTRONICS INFORMATION
Data transmission method and system
InactiveCN101568048BReliable transmissionReduce the difficulty of upgradingData switching networksComputer hardwareIp address
The present invention discloses a data transmission method and a system. In the method, a network element control single board confirms the number of at least one optical interface corresponding with the target IP address of data; transmitting the data of the network element control single board and the number of at least confirmed optical interface to a multi-optical-interface single board; receiving the number of at least one optical interface and the data by the multi-optical-interface, and transmitting the data to at least one optical interface corresponding with the number of at least one optical interface. According to the technical solution provided by the invention, the reliably transmission of the data can be realized and the updating difficulty is reduced. Furthermore the cost can be reduced.
Owner:ZTE CORP
System and method for providing general packet radio services (GPRS) in private wireless network
InactiveCN100459559CLow costReduce the difficulty of upgradingNetwork topologiesData switching by path configurationGeneral Packet Radio ServiceNetwork communication
A system (10) for providing general packet radio service (GPRS) to mobile stations (12), comprising a packet network (22) operable to transmit information packets, connected to the packet network (22) and operable A database (20) for storing profile information associated with the mobile station (12), and a base station (14) operable to communicate with the mobile station (12) via a wireless interface (30). The system (10) also includes an access point (16) connected to the base station (14) and the packet network (22). The access point (16) is operable to communicate with the mobile station (12) through the base station (14). The system also includes a GPRS support node (18) connected to the packet network (22) and operable to communicate with the access point (16). The GPRS support node (18) is also operable to monitor the location of the mobile station (12), and to route information packets for the mobile station (12) to the access point (16). Additionally, the system (10) includes an interworking point (26) connected to the packet network (22). The interworking point (26) is operable to communicate with the GPRS support node (18) using a first protocol, and communicate with the public network (11) using a second protocol. The interworking point (26) is also operable to interwork between the first protocol and the second protocol.
Owner:SIEMENS INFORMATION & COMM MOBILE
High-speed network preprocessing device based on space-ground gateway
ActiveCN111163106AIncrease versatility and scalabilityReduce maintenance and upgrade difficultyNetwork connectionsParallel processing architectureNetwork management
The invention discloses a high-speed network preprocessing device based on a space-ground gateway. A parallel processing architecture based on an FPGA is adopted to realize network data routing between a spacecraft internal network and a gateway protocol conversion module. The device comprises a main control processing FPGA and a co-processing DSP, and the main control processing FPGA is used forcarrying out high-speed interface protocol processing, network routing forwarding and high-speed caching on uplink data and downlink data; the co-processing DSP is provided with a standard TCP / IP protocol stack and is in network communication with the main control processing FPGA through a GMII interface to complete link establishment, network management and flow control with an internal network of a spacecraft; and the main control processing FPGA performs pre-identification on a network IP packet by directly processing and outputting a downlink transmission service packet at a high speed, and forwarding a network link ARP packet, an ICMP packet, a network management packet and a flow control packet to the co-processing DSP for protocol processing. According to the invention, the processing speed, universality and expandability of the gateway equipment are greatly improved, and the maintenance and upgrading difficulty is reduced.
Owner:SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
DWG drawing visualization electronic seal and electronic signature method and interaction system
ActiveCN113806814ALower barriers to useIntegrity guaranteedDigital data protectionImage data processing detailsComputer Aided DesignAlgorithm
The invention relates to the technical field of CAD (Computer Aided Design) electronic signatures, and discloses a DWG drawing visualization electronic seal and electronic signature method and an interaction system. Abstract data of a DWG drawing is calculated, a character set is obtained after the abstract data is processed, a visual seal primitive is coded by the character set and stored in a DWG file, and the DWG drawing is encrypted; when the DWG drawing is opened or stored, abstract data of the DWG drawing is calculated and decoded, a visual seal is displayed if decoding succeeds, or otherwise, the DWG drawing fails; and according to the method, the MD5 value of the DWG is used for coding the visual seal, when the DWG drawing is tampered, the MD5 value is changed, and the visual seal disappears, so that related personnel can simply, conveniently and visually see whether the DWG drawing is tampered or not, and the use threshold of tampering prevention of the DWG drawing is lowered. According to the method, the compatibility with the traditional universal CAD electronic signature technology is also realized, and the system upgrading difficulty is reduced.
Owner:中筑创联建筑科技(北京)有限公司 +1
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